Quote:
I'm looking for a small inflatable support boat for high school sailors. The boat only needs to handle 3 people max.
Primary use case is providing safety support for high school sailor in an ILCA/Laser or 420.
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IMO - you need the ability to be able to quickly and safely recover the number of sailors you are responsible for in a single boat load.
So a 420 is double handed. Most governing bodies will tell you a sailing safety boat requires a double crew so you are at 4 people minimum. If you have 2 x 420, you are at 6 people minimum.
In the UK junior classes would expect a MINIMUM 1:10 safety boat ratio. Often 1:8. If you have a committee boat etc, you may be able to shuttle sailors to that in an abandon all boats situation. You don't want to be going ashore with half and coming back.
Your torquido is way off the mark.
Also you need to be able to go a good bit faster than the boat you support. How fast can a 420 go? If you have 2 boats on opposite tacks they are in effect traveling twice that speed
Distance off shore is only relevant if they can't drift offshore.
(You are gonna need a bigger boat. But it may not need to be inflatable.)
Minimum on INLAND water in UK seems to be a 3.6m "Jaffa" type rotomoulded boat with 15hp tiller steer on the back. Your coaches will hate you